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Event details
Voyage: | IN2020_V01 [details] |
When: | 2020-01-20 14:39:27 UTC |
Log: | Geology_Rocks_in2020_v01 |
Equipment: | Not specified |
Position: | Latitude: -53.5824 Longitude: 83.351 Position from underway logging |
Sample number: | IN2020_V01_D03_001 |
Dredge: | D03 |
Sample Number Assigned: | Yes |
Sample photographed (include scale and sample number): | Yes IN2020_V01_D03_001 |
Number of photos: | 3 |
Sample sawn: | Yes |
Sticker: | yes |
Colour: | black |
Composition: | intermediate |
Alteration: | Fresh |
Phenocryst mineralogy: | feldspar | quartz | other |
Phenocryst abundance (%): | 80 |
Phenocryst size range (mm): | 7 |
Groundmass: | crystalline |
Mn crust thickness (mm): | 5 |
Vesicle abundance: | absent |
Sample bagged: | yes |
Bucket number: | MQU4 (D03 1 of 1) |
Rock name: | Meta-igneous |
Original Sample Dimensions: | 15.5x20x13.5 cm |
Comments: | Weak foliation; minor fracturing. Mica also present. |